Lift mechanism



FIG. 1 is a perspective view of the design of the present invention fora lift mechanism, shown in a first configuration;

FIG. 2 is a lower perspective view of the lift mechanism of FIG. 1;

FIG. 3 is a top elevation view of the lift mechanism of FIG. 1;

FIG. 4 is a bottom elevation view of the lift mechanism of FIG. 1;

FIG. 5 is a left elevation view of the lift mechanism of FIG. 1;

FIG. 6 is a front elevation view of the lift mechanism of FIG. 1;

FIG. 7 is a rear elevation view of the lift mechanism of FIG. 1;

FIG. 8 is a right elevation view of the lift mechanism of FIG. 1;

FIG. 9 is a perspective view of the design of the lift mechanism of FIG.1, showing the lift mechanism in a second configuration;

FIG. 10 is a lower perspective view of the lift mechanism of FIG. 9;

FIG. 11 is a top elevation view of the lift mechanism of FIG. 9;

FIG. 12 is a bottom elevation view of the lift mechanism of FIG. 9;

FIG. 13 is a left elevation view of the lift mechanism of FIG. 9;

FIG. 14 is a front elevation view of the lift mechanism of FIG. 9;

FIG. 15 is a rear elevation view of the lift mechanism of FIG. 9; and,

FIG. 16 is a right elevation view of the lift mechanism of FIG. 9.

CLAIM I claim the ornamental design for a lift mechanism, as shown anddescribed.